05 May 2019 1 6K Report

What are the characterization ways to differentiate between the metallic and oxide calcium in the calcium silicide powder?

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What should be the free board, feeder (cored wire) station height, feeding rate for the set up of wire feeder for 400 kg capacity ladle?

To set up the trial for CaSi cored wire insertion to produce clean steel (400 kg capacity) for R&d purpose, how to decide the free board, feeder station height, feeding rate to get maximum...

06 July 2019 6,817 5 View

What is the relation between viscosity and volume occupied?

Is it possible that higher viscous material will occupy the higher volume or vise versa? Is there is any funda of capillary action, such as inter atomic force of attraction between particles and...

04 May 2019 465 4 View

What is the purpose of keeping a gap between Ca rod and steel sheath in the cored wire?

It was observed that keeping a little gap between the Ca solid rod and steel sheath (CRCA steel strip) in the cored wire has a large impact on the Ca recovery% in the steel melting. May I know the...

01 February 2019 9,875 2 View

Dear all, what is the chemistry between calcined alumina (Al2O3) and PAF (potassium aluminium fluoride or potassium cryolite) in aluminium melt?

PAF forms a low melting phase with Al2O3, but I could not find the phase diagram between potassium cryolite and alumina. Please give me the satisfactory answer

11 December 2018 7,821 3 View

Calcium recovery in steel

Dear All, How the recovery of Ca in steel is related to the cleanliness of steel? Higher is the % of formation of CaO, CaS, calcium aluminate in steel lower will be the recovery..then why steel...

01 January 1970 3,685 1 View

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How to reduce static electricity of powder after lyophilization?

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Are ZnS nanoparticles moisture sensitive?

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What is role of toluene and stearic acid in ball milling for powder ? In what weight percent we should add this to powder?

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